Tian D S.Spectrum of normal lood factor at airplane Cg and Spectrum of whale structure loads[R].Technieal Report,Chinese Flight Test Establishment H013-56-130-010,2005.是什么意思_Tian D S.Spectrum of normal lood factor at airplane Cg and Spectrum of whale structure loads[R].Technieal Report,Chinese Flight Test Establishment H013-56-130-010,2005.在线翻译_英语_读音_用法_例句